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Finding the Fourth Proportional to 304,477.58, 420,137.46 and 175,368.03

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Solution

The fourth proportional to 304,477.58, 420,137.46 and 175,368.03 is: 241,983.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,477.58 : 420,137.46 = 175,368.03 : x
  2. Step 2: Convert to fraction form
    304,477.58/420,137.46 = 175,368.03/x
  3. Step 3: Cross multiply
    304,477.58x = 420,137.46 × 175,368.03
  4. Step 4: Simplify right side
    304,477.58x = 73,678,678,689.40
  5. Step 5: Solve for x
    x = 73,678,678,689.40/304,477.58
  6. Step 6: Final answer
    x = 241,983.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.